Engine-valve.



PATENTED MAR. 15, 1904."

J. H. JONES. I ENGINE VALVE.

APPLICATION PILI ID JULY 10, 1903, I

55.1. T 0 I {I Swvwvboz JEJWMJ 3% MJame Patented March 15, 1904.

UNITED STATES PATENT OFFICE.

JAMES H. JONES, OF BRISTOL, CONNECTICUT, ASSIGNOR TO THE CORBIN MOTOR VEHICLE CORPORATION, OF NEW- BRITAIN, CONNECTICUT, A

CORPORATION OF CONNECTICUT.

EONGINE-VALV'E'.

SPECIFICATION forming part of Letters Batent no. 754,569, dated March 15, 1904. Application filed July 10, 1903. Serial No. 164,951.- (No model.)

To all whom it may concern.-

Be it known that I, JAMEs H. J ONES, a citizen of the United States, residing at Bristol,

lowing is a full, clear, and exact description' My invention relates to valves for internalcombustion engines.

The object of my invention is mainly to provide simple and effective mechanism to permit the valves of an internal-combustion engine to be readily attached or detached Whenever desired. The construction is such that it is unnecessary to take down or loosen any of the piping in connection with the engine incidental to the insertion or removal of the valve.

The invention is applicable to both exhaust and intake valves; but in the drawingsI have illustrated the same as applied to an intakevalve.

Figure 1 is a vertical sectional view of my invention. Fig. 2 is a plan view thereof.

1 conventionally represents a portion of an engine-cylinder or an extension thereof.

2 is a passage in which a valve 3 is located.

4 is the valve-stem.

5 is a removable frame which performs the function of supporting the valve and alfording a seat therefor. g

6 is a frame or housing extending fromthe part 1.

7 is a shoulder upon which the frame 5 rests when the parts are assembled. The joint between the frame 5 and the shoulder 7 is preferably ground or packed to form a gas-tight connection.

8 8 are gas-passages through the frame 5.

9 is a gas-pipe in connection with the frame or housing 6. 10 is a threaded nut, preferably hollow, the same taking into athreaded opening in a removable cover-plate 11 for said housing. The cover-plate may be secured to the housing by means of the well-known bayonet-joint (conventionally represented at 12) or in any other well-known manner.

13 is a collar which may be threaded on a proper seat on the shoulder 7 The cover- I plate ll is then quickly put in place. The cover-plate 11 carries the nut 10, the end of which when the cover-plate is put on rests closely adjacent to the upper end of the frame 5. The operator then screws down said nut 10 until the frame 5 is forced into firm contact with the shoulder 7 forming a gas-tight joint. The valve 3 when it rests upon its seat completely closes the passage 2. If the valve is an intake-valve, such as shown in the drawings, suction may be relied upon to open it. The invention is equally applicable to mechanically-actuated Valves whether the same are used as intake or exhaust valves. The opening through the nut 10 is preferably provided, because it gives access to the valvestem 4 and the adjusting device or devices thereon. For example, in the drawings it will be seen that without removing thevalve the adjusting devices may be changed so as to vary the tension of the spring 14. A decided advantage is attained by making the clamping parts .10 and 11 independent and separate in that it is unnecessary to revolve the cover-plate 11 in firmly setting the valvecarrying frame 5 upon its seat or in effecting the adjustment of said spring.

What I claim is- 1. In a device of the character described, a valve, a frame carrying the same, a seat for said valve, a seat for said frame, and means to hold said valve-frame to its seat said means comprising a removable plate and a separate nut threaded therein one of said parts being adjustable.

2. In a device of the character described, a

valve, a frame carrying the same, a seat for said valve, a seat for said frame, and means to hold said valve-frame to its seat said means comprising a removable plate and a separate nut threaded therein said nut being adjustable independently of said plate.

3. In a device of the character described, a valve, a frame carrying the same, a seat for said valve, a seat for said frame, and means to clamp said valve-frame to its seat, said clamping means comprising a removable member 11 and a second member 10 rotatably carried by said member 11, and means for moving one of said parts longitudinally by rotation, the member 10 exerting a pressure against said frame in the direction of its seat.

4. In a device of the character described, a 

